AK6321024WW-17 [ACCUTEK]

SRAM;
AK6321024WW-17
型号: AK6321024WW-17
厂家: ACCUTEK MICROCIRCUIT CORPORATION    ACCUTEK MICROCIRCUIT CORPORATION
描述:

SRAM

静态存储器
文件: 总2页 (文件大小:137K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Accutek  
Microcircuit  
Corporation  
AK6321024W / AK6321024Z  
1,048,576 x 32 Bit CMOS/BiCMOS  
Static Random Access Memory  
DESCRIPTION  
Front View  
The Accutek AK631024 SRAM Module consists of fast high perfor-  
mance SRAMs mounted on a low profile, 72 pin SIM or ZIP PCB.  
The module utilizes four 32 pin 1 Meg x 4 SRAMs in 400 mil SOJ  
packages and four decoupling capacitor chips mounted on each  
side of a printed circuit board.  
72-Pin SIM  
+
+
1
36 37  
72  
The SRAMs used have common I/O functions and single output en-  
able functions. Also, four separate chip select (CE) connections are  
used to independently enable the four bytes. The modules can be  
supplied in a variety of access time values from 15nSEC to 30nSEC  
in CMOS or BiCMOS technology.  
72-Pin ZIP  
The Accutek module is designed to have a maximum seated height  
of 0.670 inch SIM or 0.550 inch ZIP to provide for the lowest height  
off the board. Each conforms to JEDEC-standard sizes and pin-out  
configurations. Using four pins for module memory density identifi-  
cation, PC0, PD1, PD2 and PD3 minimizes interchangeability and  
design considerations when changing from one module size to the  
other in customer applications.  
1
36  
72  
37  
· Power  
170mA Active (15nS)  
165mA Active (17nS)  
160mA Active (20nS)  
155mA Active (25nS)  
10mA Standby  
FEATURES  
· 1,048,576 x 32 SRAM module in high density configuration  
· JEDEC Standardized 72 pin SIM format  
· Downward pin compatible with 512K x 32 (AK632512) - 72 pin  
SIM or ZIP, and 256K x 32 (AK632256), 128K x 32 (AK632128),  
64K x 32 (AK63264) and 32K x 32 (AK63232) - 64 pin SIM or  
ZIP designs  
· Common I/O, single OE functions with four separate chip  
selects (CE)  
· Operating temperature range in free air, 00C to 700C  
· Low height, 0.670 inch SIM or 0.550 inch ZIP maximum  
· Presence Detect PD0 through PC3 for identifying module density  
· TTL compatible inputs and outputs  
ELECTRICAL SPECIFICATIONS  
Timing diagrams and basic electrical characteristics are those of the stan-  
dard 1 Meg x 4 SRAMs used to construct these modules. Accutek’s  
module design allows the flexibility of selecting industry-compatible 1  
Meg x 4 SRAMs from several semiconductor manufacturers.  
· Single 5 volt power supply  
· Fast access times range from 15 nSEC BiCMOS to 25 nSEC  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
FUNCTIONAL DIAGRAM  
PIN #  
1
SYMBOL  
NC  
PIN #  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
SYMBOL  
A1  
PIN #  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
SYMBOL  
CE4  
CE3  
A17  
PIN #  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
SYMBOL  
A5  
A0 - A19  
CE1 - CE4  
DQ1 - DQ32  
OE  
Address Inputs  
Chip Enable  
Data In/Data Out  
Output Enable  
Presence Detect  
5v Supply  
2
NC  
A8  
A12  
3
PD2  
PD3  
Vss  
A2  
Vcc  
4
A9  
A16  
A13  
5
DQ13  
DQ5  
DQ14  
DQ6  
DQ15  
DQ7  
DQ16  
DQ8  
Vss  
OE  
A6  
PD0 - PD3  
Vcc  
6
PD0  
PD1  
DQ1  
DQ9  
DQ2  
DQ10  
DQ3  
DQ11  
DQ4  
DQ12  
Vcc  
Vss  
DQ21  
DQ29  
DQ22  
DQ30  
DQ23  
DQ31  
DQ24  
DQ32  
Vss  
7
DQ25  
DQ17  
DQ26  
DQ18  
DQ27  
DQ19  
DQ28  
DQ20  
A3  
8
Vss  
Ground  
9
WE  
Write Enable  
No Connect  
10  
11  
12  
13  
14  
15  
16  
17  
18  
NC  
MODULE OPTIONS  
WE  
A15  
A14  
CE2  
CE1  
A18  
Leadless SIM: AK6321024W  
Leades ZIP: AK6321024Z  
Leaded SIP: AK6321024G  
A10  
A19  
A0  
A4  
NC  
A7  
A11  
NC  
PD0 = Vss  
PD1 = Open  
PD2 = Vss  
PD3 = Open  
ORDERING INFORMATION  
MECHANICAL DIMENSIONS  
PART NUMBER CODING INTERPRETATION  
5
Inches  
1
2
3
4
6
7
8
Position  
Top View ZIP  
1
Product  
AK  
= Accutek Memory  
2
Type  
4 = Dynamic RAM  
5 = CMOS Dynamic RAM  
6 = Static RAM  
3
Organization/Word Width  
1 = by 1 16 = by 16  
4 = by 4 32 = by 32  
8 = by 8 36 = by 36  
9 = by 9  
4
Size/Bits Depth  
64  
256  
=
=
64K  
256K  
4096  
8192  
=
=
=
4 MEG  
8 MEG  
16 MEG  
1024 = 1 MEG 16384  
5
Package Type  
G = Single In-Line Package (SIP)  
S = Single In-Line Module (SIM)  
D = Dual In-Line Package (DIP)  
W = .050 inch Pitch Edge Connect  
Z = Zig-Zag In-Line Package (ZIP)  
6
Special Designation  
P = Page Mode  
N = Nibble Mode  
K = Static Column Mode  
W = Write Per Bit Mode  
V = Video Ram  
7
Separator  
-
= Commercial 00C to +700C  
M = Military Equivalent Screened  
(-550C to +1250C)  
I
= Industrial Temperature Tested  
(-450C to +850C)  
X = Burned In  
8
Speed (first two significant digits)  
SRAMS  
DRAMS  
50  
60  
70  
80  
=
=
=
=
50 nS  
60 nS  
70 nS  
80 nS  
8
10  
12  
15  
=
=
=
=
8 nS  
10 nS  
12 nS  
15 nS  
The numbers and coding on this page do not include all variations  
available but are show as examples of the most widely used variations.  
Contact Accutek if other information is required.  
EXAMPLES:  
AK6321024W-15  
1 Meg x 32, 15 nSEC SRAM Module, SIM Configuration  
AK6321024Z-17  
1 Meg x 32, 17 nSEC SRAM Module, ZIP Configuration  
ACCUTEK MICROCIRCUIT CORPORATION  
BUSINESS CENTER at NEWBURYPORT  
2 NEW PASTURE ROAD, SUITE 1  
NEWBURYPORT, MA 01950-4054  
VOICE: 978-465-6200 FAX: 978-462-3396  
Email: accutek@seacoast.com  
Accutek Reserves the right to make changes in specifications at any  
time and without notice. Accutek does not assume any responsibility  
for the use of any circuitry described; no circuit patent licenses are im-  
plied. Preliminary data sheets contain minimum and maximum limits  
based upon design objectives, which are subject to change upon full  
characterization over the specific operating conditions.  
Internet: www.accutekmicro.com  

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